This is an open problem for advocates of the Dark Enlightenment theory (Wikipedia) like Peter Thiel and Curtis Yarvin.
One of the most commonly discussed solutions is to surgically implant explosive devices into the bodies of your lead security force.
So your idea is that we will vote in Democrat politicians who will... Legislate themselves out of power by instituting ranked choice voting?
This part of your plan seems absurd on its face. I want ranked choice voting as much as you, but we need a realistic plan, and what you're proposing is a pipe dream.
Voting third party is more realistic than expecting Dems to institute ranked choice.